## Shortcuts for Divisibility by 2,3 and 4

Here are a set of time saving divisibility shortcuts that you can use: Divisibility by 2: How to check a number is divisible by 2? It is very simple, first we should check the units digit of the number, whether it is divisible by 2. A number is divisible by 2, only when its unit digit contains 0, 2, 4, 6, 8. Examples: Is the number 6542646882 divisible by 2? Now, check the units digit of the number, it is 2, so 6542646882 is [...]